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Plastic And Nonmetallic Article Shaping Or Treating: Processes > Optical Article Shaping Or Treating > Light Polarizing Article Or Holographic Article > Lens LensLens patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/31/08 - 20080023858 - Structure for pattern formation, method for pattern formation, and application thereof A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substrate, the photocatalyst-containing layer containing a material of which the wettability is variable through photocatalytic action upon pattern-wise exposure. ... 01/03/08 - 20080001319 - Process for producing a plastic lens A process for producing a plastic lens comprises, using a mold constituted with a pair of mold members facing each other and a plastic gasket which fixes the mold members to form a cavity and has an inlet for injecting a composition of a material monomer into the cavity, injecting ... 12/27/07 - 20070296095 - Lens molding apparatus and related methods An adjustable mold includes a distortable boundary, a flexible membrane, and a pressurizer, and method of use thereof. Pressure is applied to the flexible membrane, which causes the membrane to distort over the boundary. The shape of the boundary and the distortion of the flexible membrane control the optical characteristics ... 11/08/07 - 20070257387 - Package mold combination This invention includes methods and systems for processing biomedical devices, such as ophthalmic lenses, formed with a prepolymer reactin mixture and packaged within a mold part used to fashion the device. ... 11/01/07 - 20070252294 - Apparatus and method for forming optical element An apparatus for forming an optical element. The apparatus includes a pair of forming molds each of which has a facing surface facing to each other. At least one of the pair of the forming molds is made to allow a hardening energy to pass through itself. A frame-like mold ... 09/27/07 - 20070222094 - Process for making ophthalmic lenses The present invention relates to aqueous processes for the production of silicone hydrogel contact lenses. ... 09/13/07 - 20070210465 - Resin molding method of optical component, mold apparatus, and gate bushing A resin molding method for molding an optical component having an effective part where light is transmitted and a circumferential part provided at a circumference of the effective part, the resin molding method includes the steps of retracting a gate shutting pin so that resin is supplied in a cavity ... 06/21/07 - 20070138669 - Process for casting and extracting biomedical devices A process for producing polymeric biomedical devices, such as contact lenses, involves casting a monomeric mixture including a diluent; and subsequently removing extractables from the devices by contacting the devices with the an additional volume of the diluent. ... 06/21/07 - 20070138668 - Process for extracting biomedical devices A process for removing extractables from biomedical devices, particularly ophthalmic biomedical devices, involves contacting the device with a mixture of first and second extractants. The first extractant is an organic compound having a flash point above 38° C., and the second extractant is an organic compound having a flash point ... 06/21/07 - 20070138667 - In-mold coating compositions for optical lenses A composition adapted for use in an in-situ coating process for coating an optical surface for ophthalmic applications. A coating composition according to the present invention includes at least one multifunctional acrylate compound which is cured onto a heated surface with controlled coating distribution in an ophthalmic injection mold. For ... 06/21/07 - 20070138666 - Method for coating an ophthalmic lens using stamp coating A method to produce in-mold coated lenses, and the coated lenses produced by the method. A cliché with a measured amount of thermoset acrylate-based coating solution is provided on, or adjacent to, the parting line of an injection molding machine. An inflatable silicone bladder is dipped into the cliché to ... 06/21/07 - 20070138665 - Method for coating an ophthalmic lens within an injection molding machine A method for in-mold coating of an injection molded thermoplastic lens that resides in an injection molding machine oriented to a horizontal parting line. An optical lens is initially formed by injecting molten thermoplastic resin into an edge-gated lens-forming cavity held closed under a primary clamp force. The mold is ... 06/21/07 - 20070138664 - Injection molding a lens onto a coated ophthalmic wafer A method of in-mold coating utilizing an injection molding machine oriented to a horizontal parting line. At the beginning of the cycle the mold opens and a charge of liquid coating solution is deposited onto the lower mold insert. A ophthalmic wafer is deposited on the coating to spread it ... 06/14/07 - 20070132124 - Molds for use in contact lens production The invention provides molds useful in the production of contact lenses having seamless edges and in which molds movement of one mold half in relation to the other mold half is decreased. These results are attained by providing mold halves with shoulder stops and seam-matching features. ... 05/24/07 - 20070114685 - Apparatus and method for handling an ophthalmic lens In a first aspect, the present invention provides an apparatus and method including a servo driven lens release head for releasing a cured lens in the dry state from the mold section in which it is adhered following mold release. The servo load parameters may be changed according to the ... 05/10/07 - 20070102835 - Automated in-line moulding/heating process and apparatus for preparing contact lenses Method and apparatus for preparing a silicone hydrogel lens including heating a cast lens to drive off an organic diluent by moving the cast lens continuously through heating and cooling zones to provide a first-in-first-out handling system. The zones are either horizontally or vertically arranged. An apparatus embodiment of a ... 02/15/07 - 20070035052 - Systems and methods for producing silicone hydrogel contact lenses Systems and methods for producing silicone hydrogel contact lenses are described. Certain of the present systems include a contact lens mold forming station, a station for filling a contact lens mold section with a lens precursor composition and for placing a second mold section on the filled mold section to ... 02/15/07 - 20070035051 - Contact lens mold assemblies and systems and methods of producing same Methods and apparatus are provided for making an ophthalmic lens. Apparatus are provided for filling contact lens shaped cavities of contact lens molding assemblies. Methods of coupling and fusing contact lens mold sections are also provided and generally include providing first and second mold sections which when coupled together are ... 02/15/07 - 20070035050 - Systems and methods for producing contact lenses from a polymerizable composition Systems and methods of manufacturing ophthalmic lenses, for example, soft, extended wear silicone hydrogel contact lenses, are provided. The systems generally include a housing having an illuminated chamber, a carrier, for example a tray, movable in the illuminated chamber from an inlet portion to an outlet portion of the housing, ... 02/01/07 - 20070023942 - Method of creating ophthalmic lenses using modulated energy This invention is related to lenses and the associated processes used to manufacture lenses. In particular, the present invention is related to a process for designing and creating bifocal, multifocal, and single vision ophthalmic lenses by modulating an energy source. ... 01/18/07 - 20070013091 - Device provided with pivotable supports for moulding an optical lens in particular an ophthalmic lens The inventive device includes a first shell holder (6) for fixing a first shell (12), a second shell holder (27) for fixing a second shell (29), a first support (1) on which the first shell holder (6) is mounted and a second support (2) on which the second shell holder ... 01/04/07 - 20070001329 - Process of dosing a starting material for optical lenses wherein the continuous flow of starting material (SM) through the dosing tip (1) and the movement of the dosing tip (1) from the start position (P2) to its end position (P3) are controlled such, that a continuous bead (B) of starting material (SM) is deposited on the surface (21) of ... 01/04/07 - 20070001328 - Method of moulding contact lenses and moulding apparatus for use in the method The present application relates to a method of moulding a contact lens using a male mould (3) and a female mould (5). The method comprises the steps of introducing lens-forming material in a liquid state into the female mould. The male mould is then inserted into the female mould to ... 12/21/06 - 20060284327 - Optical unit manufacturing method, optical unit, and forming apparatus There is provided an optical unit manufacturing method in which an optical element is obtained by giving compression to an optical material using a mold after thermal softening of the optical material, and uniting of a frame unit with the optical element is required. The optical unit manufacturing method includes ... 12/21/06 - 20060284326 - In-line lens manufacturing A method of hard coating a lens includes maintaining a dip tank at a temperature TD, wherein the dip tank includes a liquid including a primer or a hard coat solution. The lens is dried and heated to a temperature TL. The lens is dipped into the dip tank wherein ... 12/07/06 - 20060273479 - Method for making novel compositions capable of post fabrication modification The invention relates to a novel method for preparing materials whose properties can be manipulated after fabrication. In this process, a base material is created in a manner that provides spaces or voids which can then be filled with a modifying composition. The method is particularly useful in the manufacture ... 12/07/06 - 20060273478 - Method of manufacturing a high sag lens and a lens manufactured by using the same method The invention provides a method of manufacturing a high sag lens and a lens manufactured thereby. According to the invention, in manufacturing a lens, a polymer lens section made of ultraviolet cured resin is formed on a substrate. Polymer is injected into a mold having a plurality of grooves and ... 11/30/06 - 20060267225 - Method and device for moulding an optical lens, especially an ophthalmic lens A method includes the following steps: a first shell (12) is immobilized in a first shell carrier (6); a second shell (29) is immobilized in a second shell carrier (27); the first shell carrier (6) is oriented in such a way that a useful moulding surface of the first shell ... 11/23/06 - 20060261502 - Delivery system for post-operative power adjustment of adjustable lens A method and instrument to irradiate a light adjustable lens, for example, inside a human eye, with an appropriate amount of radiation in an appropriate pattern by measuring aberrations in the system containing the lens; aligning a source of the modifying radiation so as to impinge the radiation onto the ... 11/09/06 - 20060249864 - Molding method and molding device utilizing ultrasonic vibration and optical lens A molding method is provided which can further improve transferability and further reduce strain and which is suitable for molding of a product with high accuracy and high quality. The molding method in which a resin material is filled into a cavity formed in a mold and pressurized to mold ... 11/02/06 - 20060244162 - Lens molds with coating The present invention generally relates to a contact lens forming mold and to a method of producing contact lenses with higher production yield and improved quality. By coating a contact lens forming mold with a nano-structured fluorine-containing inorganic polycondensate coating solution the number of lens holes, such as voids or ... 10/12/06 - 20060226560 - Method for manufacturing composite lens This invention relates to a method for manufacturing a composite lens, comprising the steps of: forming a base-lens-forming material into a base lens; and forming a plastic material into a first plastic lens portion on a first lens surface of the base lens using a stamper by a hot embossing ... 09/14/06 - 20060202369 - Method of forming an anti-reflective coating on an eyeglass lens Methods of coating a lens mold are described. One or more methods may include coupling a mold to a mold holder of an eyeglass lens mold coating apparatus. The mold holder may be rotatably coupled to a transport device of the mold coating apparatus. The mold may be moved to ... 09/14/06 - 20060202368 - Method for producing contact lenses The invention provides an improved process for manufacturing silicone-hydrogel contact lenses. The improvement includes use of a hot water in the step of dislodging (or removing or de-blocking) from a mold after lens being cured and before lens extraction. Hot water can be used efficiently to dislodge a hydrophobic silicone-hydrogel ... 09/14/06 - 20060202367 - Multi stage ophthalmic lens demold The present invention discloses methods and apparatus for separating ophthalmic lens mold parts at multi velocities. In particular, the present invention discloses methods and apparatus for removing molded soft contact lenses, high-precision intraocular lenses and the like, from the individual molds in which they are produced. The present invention teaches ... 08/31/06 - 20060192310 - Method of manufacturing ophthalmic lenses using modulated energy The present invention is related to a process for efficient manufacture of bifocal, multi-focal, single vision and mass customized ophthalmic lenses by modulating an energy source according to a cure period and a cure pattern to create a maximum number of lenses with a minimum number of molds and associated ... 08/24/06 - 20060186564 - Hydrogel processing Disclosed are methods and apparatus for hydrating ophthalmic lenses and leaching excess materials from the ophthalmic lenses. The methods include the steps of exposing contact lenses with a hydration solution comprising about 30 to 70 percent isopropyl alcohol and water. In some embodiments, the hydration solution is maintained at an ... 08/03/06 - 20060170122 - Method for improving the quality of e.g. an optic product, such as a mobile phone lens A method for manufacturing a work piece allows the work piece to be removed in the manufacturing step, e.g. an injection-moulding step, to be transferred between various further processing steps, to be shifted and treated quite automatically in these without having to touch the desired end product at any stage ... 07/27/06 - 20060163761 - Process to produce a resin-cemented optical element A process to produce a resin-cemented optical element having a base member and a resin layer formed on the surface of the base member and having a cured product of a photosensitive resin composition. The resin layer has (1) a refractive index of 1.55 or more, (2) a visible-light inner ... 07/06/06 - 20060145372 - Optical tool assembly for improved rcw and lens edge formation An optical tool assembly for use in an injection molding apparatus opposite a non-optical tool assembly to form an ophthalmic mold section including a cavity ring mounted to an associated mold plate and an optical insert removeably secured to the cavity ring and having an optical molding surface thereon for ... 07/06/06 - 20060145371 - Core locking assembly and method for orientation of asymmetric tooling An apparatus and method is provided for injection molding an ophthalmic lens mold section having an optical surface and a non-optical surface opposite the optical surface. The apparatus includes a non-optical tool assembly for forming the non-optical surface of the ophthalmic lens mold section. An optical tool assembly is in ... 07/06/06 - 20060145370 - Optical tool assembly An apparatus and method is provided for injection molding an ophthalmic lens mold having an optical surface and a non-optical surface opposite the optical surface. The apparatus includes a non-optical tool assembly for forming the non-optical surface of the ophthalmic lens mold and an optical tool assembly in opposed relation ... 07/06/06 - 20060145369 - Non-optical multi-piece core assembly for rapid tool change An apparatus and method is provided for injection molding an ophthalmic lens mold. The apparatus includes an optical tool assembly having an optical molding surface for forming an optical surface of the ophthalmic lens mold. A non-optical tool assembly is in opposed relation to the optical tool assembly and together ... 06/22/06 - 20060131768 - Lens molding die and a producing method therefor A lens molding die for producing a lens, which comprises a base member made of a hard material and having one surface of a predetermined shape; and a resin-molded layer formed on the one surface of the base member and having a surface shape corresponding to a predetemined shape of ... 06/22/06 - 20060131767 - Method for producing a microlens array A method for creating microlenses, the method includes the steps of providing a substrate having a plurality of photoactive areas; providing a photopolymerizable fluid composition on the substrate; providing a template which is transparent to photoactive wavelengths and which includes a plurality of curved surfaces that act to focus incident ... 05/11/06 - 20060097415 - Methods of demolding ophthalmic lenses Methods of and apparatuses for demolding ophthalmic lenses are described herein. ... 03/30/06 - 20060065989 - Lens forming systems and methods Described herein are methods and systems for forming lenses. In one embodiment, systems for use in forming eyeglass lenses are described that include one or more LED lights. The LED lights may be used to cure lens forming compositions and coating compositions. In other embodiments, methods of determining an appropriate ... 03/16/06 - 20060055070 - Method of preparing molded articles by means of photopolymerization in visible or near-ultraviolet light The method comprises photopolymerizing by means of a light radiation of the visible and/or near UV field of a composition free of mineral particles, comprising at least one photopolymerizable monomer and at least one photoinitiator selected amongst suberone derivatives and mixtures of α-diketone and an organic peroxide. Application to the ... 03/02/06 - 20060043623 - Masked precure of ophthalmic lenses: systems and methods thereof Methods and systems for manufacturing tinted ophthalmic lenses are provided herein. Disclosed are ophthalmic lens mold assemblies that include ophthalmic lens mold halves, at least one of which includes a colorant. A portion of the curable lens-forming material is precured, while a portion of the curable lens-forming material in contact ... 01/19/06 - 20060012058 - Method for manufacturing microlens and apparatus for manufacturing the same A method for manufacturing a microlens includes: ejecting liquid drops containing a material for forming microlenses from a liquid drop ejection head to make the liquid drops land on a substrate; and irradiating the liquid drops with ultraviolet light at least once at a time period between after the ejection ... 01/05/06 - 20060001185 - Molding method and molding apparatus A molding method which is a method for molding an element having a microscopic structure, and by which the raw material whose elastic modulus in the normal temperature is 1-4 (GPa) is attached to the holding unit, the temperature of the mold having the microscopic structure is increased higher than ... 01/05/06 - 20060001184 - Method for lathing silicone hydrogel lenses The present invention provides methods for lathing at room temperature a silicone hydrogel material, in particular silicone hydrogel material having a high oxygen permeability and made of a polymerizable composition containing a relative large amount of oxyperm component, into contact lenses. ... 12/08/05 - 20050269721 - Process for forming a coated layer on a toric surface of an optical article A process for making a coating layer of a curable composition on a toric surface of an optical article, in particular an ophthalmic lens or lens blank, and in particular a functional coating layer; compositions and apparatus useful for the practice of the process; and products obtained from the practice ... 10/06/05 - 20050218538 - Press molding apparatus and press molding method A press molding apparatus includes upper and lower mother molds 102 and 104. Each of the mother molds 102 and 104 has four molding surfaces arranged in a single line and satisfies the relationship given by L×α×ΔT/t<0.0008, where L represents the length, t, the thickness, α, the thermal expansion coefficient, ... 09/29/05 - 20050212155 - Method for producing contact lenses The invention provides an improved process in which minimal force is required to separate mold halves so as to minimize lens damages resulted from the forced separation of mold halves. The process of the invention comprises: providing a mold including a first mold half having a first molding surface and ... 09/29/05 - 20050212154 - Method and device for producing optical part An annular insert (4) is arranged in the optical component molding cavity of a mold to surround an outer periphery of raw material resin in a direction in which the resin is distributed in the cavity to limit the distribution of the raw material resin and define an outer profile ... 09/15/05 - 20050200034 - Mold and method for casting ophthalmic lenses The invention relates generally to ophthalmic molds and methods useful for casting ophthalmic moldings. In one aspect, the invention relates to a mold for casting an ophthalmic molding formed from a first mold half detachably affixed to a second mold half, whereby the mold has a top and bottom; and ... 08/18/05 - 20050179149 - Mould, a method of manufacturing the same as well as its use The present invention to a mould and a method of manufacturing such a mould. The mould comprises a plurality of components with moulding surfaces that together form a moulding cavity. At least a part of the mould components consists of fluoropolymer that is based on a fluorinated-alkyl chain that comprises ... 08/18/05 - 20050179148 - Method for obtaining an optical lens and joint and device for the implementation thereof The method includes the use of a closed mould consisting of two shells (2,3) and an annular joint (4), the joint having a hole (19) for filling the mould cavity with a polymerizable material, the introduction of the material occurring after a stage in which an external mechanical effort is ... 08/04/05 - 20050167864 - Method for manufacturing a contact lens The invention provides molds and mold inserts useful in the production of contact lenses. In particular, the invention provides high optical quality molds and inserts useful for manufacturing silicone hydrogel contact lenses. ... 06/09/05 - 20050121813 - Method of forming photovoltaic device lens and method of fabricating photovoltaic panel An object of the present invention is to form suitable spherical convex lens on the surfaces of spherical or granular photovoltaic devices in an easy and cost-effective method even when the photovoltaic devices have variations in the size and shape. To achieve the object, the invention is a method in ... ### FreshPatents.com Support - Terms & Conditions |